“Study the Effect of Different Percentages of Natural (Orange Peels and Date Seeds) and Industrial Materials (Carbon and Silica) on the Mechanical and Thermal Properties of Polymeric Reinforced Composites”. Al-Khwarizmi Engineering Journal, vol. 14, no. 4, Nov. 2018, pp. 16-23, https://doi.org/10.22153/kej.2018.04.001.